正本

zhèngběn

(1) [original(of a document)]∶备有副本的图书, 别于副本的称正本

(2) [reserved copy(of a library book)]∶文书或文件的正式的一份

(3) [rectify; put in order]∶从根本上进行整顿

(4) [make enough money to cover the cost; break even]∶够本儿